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Earnings Per Share | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | 3. Earnings Per Share The following is a reconciliation from basic earnings per share of Schlumberger to diluted earnings per share of Schlumberger:
(Stated in millions, except per share amounts) |
| 2018 |  |  | 2017 |
| Schlumberger Net Income |  |  | Average Shares Outstanding |  |  | Earnings per Share |  |  | Schlumberger Net Income |  |  | Average Shares Outstanding |  |  | Earnings per Share |
Third Quarter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 644 |  |  |  | 1,385 |  |  | $ | 0.46 |  |  | $ | 545 |  |  |  | 1,385 |  |  | $ | 0.39 |
Assumed exercise of stock options |  | - |  |  |  | - |  |  |  |  |  |  |  | - |  |  |  | 1 |  |  |  |  |
Unvested restricted stock |  | - |  |  |  | 7 |  |  |  |  |  |  |  | - |  |  |  | 6 |  |  |  |  |
Diluted | $ | 644 |  |  |  | 1,392 |  |  | $ | 0.46 |  |  | $ | 545 |  |  |  | 1,392 |  |  | $ | 0.39 |
| 2018 |  |  | 2017 |
| Schlumberger Net Income |  |  | Average Shares Outstanding |  |  | Earnings per Share |  |  | Schlumberger Net Income |  |  | Average Shares Outstanding |  |  | Earnings per Share |
Nine Months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 1,599 |  |  | $ | 1,385 |  |  | $ | 1.15 |  |  | $ | 749 |  |  | $ | 1,388 |  |  | $ | 0.54 |
Assumed exercise of stock options |  | - |  |  |  | 1 |  |  |  |  |  |  |  | - |  |  |  | 2 |  |  |  |  |
Unvested restricted stock |  | - |  |  |  | 7 |  |  |  |  |  |  |  | - |  |  |  | 5 |  |  |  |  |
Diluted | $ | 1,599 |  |  | $ | 1,393 |  |  | $ | 1.15 |  |  | $ | 749 |  |  | $ | 1,395 |  |  | $ | 0.54 |
The number of outstanding options to purchase shares of Schlumberger common stock that were not included in the computation of diluted earnings per share, because to do so would have had an antidilutive effect, was as follows:
(Stated in millions) |
| 2018 |  |  | 2017 |
Third Quarter |  | 40 |  |  |  | 43 |
Nine Months |  | 40 |  |  |  | 30 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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